| Show VOLCANIC DUST I 1 I 1 A londoner who collects collect and sells sell tho the product of mountain in all the large centers of the world there are a few dealers who make a business of collecting mineralogical mine ral oleal specimens and other material 11 illustrating natural history A man in london has recently been making something of a r specialty 1 acty of the collection of vol volcanic canic I 1 dusts lie ile sent scat a ag awhile ago to the great andes of the equator and now he is advertising dust froma from a number of famous volcanoes lie ile sells the material in bottles at about thirty five cents a bottle each sample contains one grain or more inore among these collections is volcanic dust from cotopaxi cotopaxa which fell at quito on june 26 1877 after a journey through the air of thirty four miles then he has dust from cotopaxi cotopaxa which was ejected to a height of forty thousand feet above the level jerel of the sea in 1680 1660 and fell on chimborazo Chim borazo after a journey of sixty four miles the finest particles of this dust duet weigh less than one twenty five thousandth parrot a grain then there is dust from the terminal slope of cotopaxi cotopaxa such as is daily ejected by the volcano at the height of nineteen thousand five hundred feet above the sea there are many specimens mens of capelli from am bato mostly pumice the town of am hato bato is built upon apon a deposit of this material fine volcanic dust has been secured from machachi Mac Mach bachi achi where it exists as a continuous stratum ten inches thick the product of some unrecorded eruption of great intensity it consists largely of feldspar and hornblende horn blend and mr whimper says it Is almost as soft to the touch as cotton wool fine pumice dust from the F same alne volcano forms beds many feet in thi thickness delmess these many and instructive objects of the micro microscope scope the same dealer has fine and coarse dusts from mount itria and the typical lavas from cotopaxi cotopaxa and chimborazo Chim borazo he also se sells ils pieces of pumice from which were washed ashore thousands of miles away on the coast of madagascar and volcanic dust from S st t lucia which fell on a ship off barbadoes |
